MAXXo Water Heater
33
PAGE
SECTION 1 GENERAL AND SAFETY INFORMATION
Safety Information 4
British Standards and Codes of Practice 4
Health and Safety Regulations 1993 4
SECTION 2 TECHNICAL DETAILS
Technical Details – CWH30/60/90/120 5
Technical Parameters 6
Product Fiche 7
Heater Dimensions – 200 litre model 7
Heater Dimensions – 300 litre model 8
SECTION 3 INSTALLATION
Description 10
Location 10
Water Quality and Treatment 11
Water Connections 11
Condense Drain 12
Typical Installations – CWH30/60 & CWH90/120 13
Gas Supply – Natural Gas 14
Gas Supply – Propane 14
Typical Bulk Storage Vessel Installation 15
Typical Cylinder Installation 15
Electrical Supply 16
Electrical Connection 16
Wiring Diagram 17
Temporary Water Heater Temperature Change 18
Circulation Pump and Storage Tanks 18
HWST Tank Dimensions and Wiring Diagram 19
Flue Systems 20
Flue Systems – CWH 30 & 60 21
Alternative Flue Systems – CWH 30 & 60 22
Standard Flue System Dimensions – CWH 30 & 60 23
Flue Systems – CWH 90 & 120 24
Alternative Flue Systems – CWH 90 & 120 25
Standard Flue System Dimensions – CWH 90 & 120 26
Flue System Positions and Distances 27
Flue System – Horizontal and Vertical Terminations 28
Air supply and ventilation – Concentric Flue Systems 28
Air supply and ventilation – concentric and conventional ue systems 30
Air supply and ventilation – conventional ue systems 31
Heat exchanger conguration 32
Control panel 32
SECTION 4 WATER TEMPERATURE SETTINGS
Temperature setting 33
Adjusting temporary temperature change 33
SECTION 5 INSTRUCTIONS FOR COMMISSIONING
Filling the water heater 34
Commissioning – natural gas and propane 34
CO
2
adjustment 34
Control and adjustment at full load 35
Control and adjustment at low load 35
Decommissioning 35
SECTION 6 FAULT CODES
Fault codes 36
Blocking faults 36
Lockout faults 36
SECTION 7 MAINTENANCE
Annual maintenance checks 37
SECTION 8 PARTS LIST
External, Internal & cylinder spares 38
Flue and old issue spares 40
SECTION 9 DISMANTLING DISPOSAL AND RECYCLING 43
CONTENTS
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